.text{
    width: 90%;
    margin: 60px auto 20px;
    border-bottom: 2px solid skyblue;
    padding-left: 40px;
    text-align: left;
    color: teal;
    font-size: 24pt;
    font-family: SimHei;
}

.code-struc{
    text-align: center;
}

#node{
    margin-left:8% ;
    margin-top: 40px;
    margin-bottom: 40px;
    font-size: 18px;
    color: #4e4e4e;
}

#node-list{
    margin-left:6%;
    margin-top: 40px;
    font-size: 18px;
    line-height: 30px;
    color: #4e4e4e;
    font-family: Arial, Helvetica, sans-serif;
    letter-spacing: 1px;
}
